Toy roller-grader



FIG. 1 is a left-side elevational view of a toy roller-grader showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right-side elevational view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a rear elevational view thereof. 

The ornamental design for a toy roller-grader, substantially as shown. 